A Series of blog posts on Data Science, Data Mining.

Thursday, October 24, 2013

Fetch Twitter data using R

This short post will explain how you can fetch twitter data using  twitteR & StreamR packages available in R. In order to connect to twitter API, we need to undergo an authentication process known as OAuth explained in my previous post.
Twitter data can be fetched from twitter in two ways: a) Rest API b) Streaming Api.
In today's blog post we shall go through both using Rest API & Stream API.

Sunday, October 6, 2013

Topic Modeling in R

As a part of Twitter Data Analysis, So far I have completed Movie review using R & Document Classification using R. Today we will be dealing with discovering topics in Tweets, i.e. to mine the tweets data to discover underlying topics– approach known as Topic Modeling.
What is Topic Modeling?